def getTables(self, oids=[], results=[], ports=[], iftable=True):
"""Fetches wanted tables using async command generator
and transport Dispatcher.
Creates AsynCommandGenerator, adds request handles,
and runs runDispatcher, which, for every result,
calls cbFun (see above).
"""
# time of start of snmp grabbing:
starttime = datetime.today()
oids = oids or self.oids
results = results or self.results
ports = iftable and (ports or self.ports) or None
for o, r in map(None, oids, results):
requestHandle = self.asynCommandGenerator.asyncBulkCmd(
self.CommunityData,
self.UdpTransportTarget,
0, self.bulksize,
(o.value,),
(self.cbFun, (r, o.value, ports))
)
self.asynCommandGenerator.snmpEngine.transportDispatcher.runDispatcher()
# time of end of snmp grabbing:
endtime = datetime.today()
self.snmptime += commonFuncs.timedelta2secs(endtime - starttime)
#
# Collect variables and update perf. RRD:
#
# total errors number:
toterrors = sum([ h.errors for h in cw.hosts ])
# total errors number:
totsnmptime = (sum(
[ h.snmptime for h in cw.hosts ]
) + 0.0)/cw.maxthreads
t2 = datetime.today()
# time spent for this one run:
tottime = commonFuncs.timedelta2secs(t2 - t1)
# try to update perf. rrd:
updstr = 'N:%s:%s:%s:%s:%s' % (
tottime, totsnmptime, len(cw.hosts), totalports, toterrors
)
rrdtool.update(
'%s/%s' % (cw.rrdhostdir, cw.perfbase),
updstr
)
sys.stdout.write(
'%.3f sec total, %.3f sec SNMP (%i devices, %i ports, %i errors).\n' % (
tottime,
totsnmptime,